Master Spa Circuit Board 55405

This item is discontinued, please see replacement HERE. Control box with heater can be ordered HERE Master Spa Circuit Board Chip Number MS520 (X801125) Balboa Board Numbers 54357 or 55405 Control box Number: 55363-01 / 55363-02

It is very important that you do not order a circuit board based on looks, several boards look alike but have different software or chips. It is the chip that drives the board and gives it its unique functions. To correctly identify a circuit board the chip number should be used to identify it. It can be found on a white sticker near the center of the circuit board. Another number that is helpful in identifying a Balboa Water Group circuit board is the five digit number found on most boards (5****).